1H-吡唑-3-硼酸 、
2-(4-(1H-imidazol-1-yl)phenylamino)-6-bromo-8-ethyl-4-methylpyrido[2,3-d]pyrimidin-7(8H)-one 以
acetonitrile-water 为溶剂,
以to give a white solid in 16% yield after preparative RP-HPLC的产率得到8-ethyl-2-{[4-(1H-imidazol-1-yl)phenyl]amino}-4-methyl-6-(1H-pyrazol-5-yl)pyrido[2,3-d]pyrimidin-7(8H)-one